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Phonon softening near structural transition in BaFe2As2 observed by inelastic x-ray scattering
Jennifer L. Niedziela, D. Parshall, K. A. Lokshin +3
In this work we present the results of an inelastic x-ray scattering experiment detailing the behavior of the transverse acoustic [110] phonon in BaFe2As2 as a function of temperat…
Effect of uniaxial strain on the structural and magnetic phase transitions in BaFeAs
Chetan Dhital, Z. Yamani, Wei Tian +5
We report neutron scattering experiments probing the influence of uniaxial strain on both the magnetic and structural order parameters in the parent iron pnictide compound, BaFe$_2…
Effect of Molybdenum 4d Hole Substitution in BaFe2As2
Athena S. Sefat, Karol Marty, Andrew D. Christianson +5
We investigate the thermodynamic and transport properties of molybdenum-doped BaFe2As2 (122) crystals, the first report of hole doping using a 4d element. The chemical substitution…
Spin Glass and Semiconducting Behavior in 1D BaFe2-δSe3 Crystals
Bayrammurad Saparov, Stuart Calder, Balazs Sipos +6
We investigate the physical properties and electronic structure of BaFe2-δSe3 crystals, which were grown out of tellurium flux. The crystal structure of the compound, an iron-defic…
Magnetic excitations in the geometric frustrated multiferroic CuCrO
M. Frontzek, J. T. Haraldsen, A. Podlesnyak +9
In this paper detailed neutron scattering measurements of the magnetic excitation spectrum of CuCrO in the ordered state below K are presented. The spectra a…
Electronic correlations and unconventional spectral weight transfer in BaFeCoAs
A. A. Schafgans, S. J. Moon, B. C. Pursley +7
We report an infrared optical study of the pnictide high-temperature superconductor BaFeCoAs and its parent compound BaFeAs. We demonstrate that…